<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        
    </style>
</head>
<body>
    
</body>
<script>

    function fn(){
        console.log("hello world");
    }

    var fun = function(){
        console.log("hi world");
    }

    // console.log(fn);

    // console.log(fun);
    
</script>
</html>